#include<bits/stdc++.h>
using namespace std;
int main(){
	int score;
	cout << "WELCOME TO MATHS CHALLENGE !" << endl;
	cout << endl;
	cout << endl;
	cout << "Question one :" << endl;
	cout << "How much is one devided by sin30 ?" << endl;
	cout << endl;
	int a;
	cin >> a;
	cout <<  endl;
	if(a == 2){
		cout << "Well done !" << endl;
		score++;
		cout << endl;
	}
	else{
		cout << "Try again !" << endl;
		cout << endl;
		int b;
		cin >> b;
		cout << endl;
		if(b == 2){
			cout <<  "Thats right !" << endl;
		}
		else{
			cout << "Oops , good luck next time !" << endl;
			cout << "The right answer is 2." << endl;
		}
	}
	cout << endl;
	cout << endl;
	cout << "Question two :" << endl;
	cout << "Is cos30 the same as sin60?" << endl;
	cout << endl;
	string c;
	cin >> c;
	cout << endl;
	if(c == "yes"){
		cout << "Well done !" << endl;
		score++;
		cout << endl;
	}	
	else{
		cout << "Try again !" << endl;
		cout << endl;
		string d;
		cin >> d;
		cout << endl;
		if(d == "yes"){
			cout <<  "Thats right !" << endl;
		}
		else{
			cout << "Oops , good luck next time !" << endl;
			cout << endl;
			cout << "The right answer is yes." << endl;
		}
	}
	cout << endl;
	cout << endl;
	cout << "Your score is : " << score << endl;
	cout << endl;
	cout << "Thank you for playing !" << endl;
	return 0;
}
